<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title>title</title>
    </head>
    <body>
    <!-- comment -->
        <div id="container" class="container">
            container
            <div id="center" class="center">center</div>
            <div id="north" class="north">north</div>
            <div id="east" class="east">east</div>
            <div id="west" class="west">west</div>
            <div id="south" class="south">south</div>
        </div>
    </body>
</html>